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GitHub Advisory DatabaseGHSA-374W-GWQR-FMXG

HistoryJun 17, 2022 - 9:46 p.m.

brotkrueml/schema fails to properly encode user input for output in HTML context, leading to XSS

2022-06-1721:46:14

CWE-79

GitHub Advisory Database

github.com

brotkrueml

schema

encode

user input

html

xss

typo3

backend

account

exploit

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.001

Percentile

22.7%

JSON

The extension fails to properly encode user input for output in HTML context. A TYPO3 backend user account is required to exploit the vulnerability.

Affected configurations

Vulners

Node

brotkruemlschemaRange<1.13.1

brotkruemlschemaRange<2.5.1

VendorProductVersionCPE
brotkruemlschema*cpe:2.3:a:brotkrueml:schema:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
brotkrueml	schema	*	cpe:2.3:a:brotkrueml:schema::::::::

References

github.com/advisories/GHSA-374w-gwqr-fmxg

github.com/FriendsOfPHP/security-advisories/blob/master/brotkrueml/schema/CVE-2022-33154.yaml

nvd.nist.gov/vuln/detail/CVE-2022-33154

typo3.org/security/advisory/typo3-ext-sa-2022-012

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.001

Percentile

22.7%

JSON

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